Search a number
-
+
10211193810 = 2325113457709
BaseRepresentation
bin10011000001010001…
…00111001111010010
3222100122011101120100
421200220213033102
5131403031200220
64405125153230
7511020500226
oct114050471722
928318141510
1010211193810
11436aa53054
121b8b85b816
13c6969381c
146cc21a786
153eb6c8d90
hex260a273d2

10211193810 has 24 divisors (see below), whose sum is σ = 26549104140. Its totient is φ = 2722984992.

The previous prime is 10211193809. The next prime is 10211193841. The reversal of 10211193810 is 1839111201.

It can be written as a sum of positive squares in 2 ways, for example, as 9743466681 + 467727129 = 98709^2 + 21627^2 .

It is a super-2 number, since 2×102111938102 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56728765 + ... + 56728944.

Almost surely, 210211193810 is an apocalyptic number.

10211193810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211193810 is an abundant number, since it is smaller than the sum of its proper divisors (16337910330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211193810 is a wasteful number, since it uses less digits than its factorization.

10211193810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113457722 (or 113457719 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 10211193810 in words is "ten billion, two hundred eleven million, one hundred ninety-three thousand, eight hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 113457709 226915418 340373127 567288545 680746254 1021119381 1134577090 1701865635 2042238762 3403731270 5105596905 10211193810